7ZRU | pdb_00007zru

Solution structure of Pi6, a low affinity blocking kappa-K+-channel peptide from the scorpion Pandinus imperator

• PDB DOI: https://doi.org/10.2210/pdb7ZRU/pdb
• BMRB: 34732

• Classification: TOXIN
• Organism(s): Pandinus imperator
• Mutation(s): No 


• Deposited: 2022-05-05 Released: 2022-05-18 
• Deposition Author(s): Delepierre, M., Olamendi Portugal, T., Possani, L.D., Guijarro, J.I.
• Funding Organization(s): Not funded

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Experimental Data Snapshot

• Method: SOLUTION NMR
• Conformers Calculated: 200 
• Conformers Submitted: 10 
• Selection Criteria: structures with the lowest energy 

Literature

Not applicable

guijarro, J.I.

Not Published 

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: NMR Distance Restraints

Macromolecule Content 

• Total Structure Weight: 3.13 kDa 
• Atom Count: 214 
• Modeled Residue Count: 28 
• Deposited Residue Count: 28 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Potassium channel toxin kappa-KTx 2.9	A	28	Pandinus imperator	Mutation(s): 0
UniProt
Find proteins for C0HKB3 (Pandinus imperator) Explore C0HKB3  Go to UniProtKB:  C0HKB3

Experimental Data & Validation

Experimental Data

• Method: SOLUTION NMR
• Conformers Calculated: 200 
• Conformers Submitted: 10 
• Selection Criteria: structures with the lowest energy 

Structure Validation

Entry History 

& Funding Information

Deposition Data

• Released Date: 2022-05-18 
Deposition Author(s): Delepierre, M., Olamendi Portugal, T., Possani, L.D., Guijarro, J.I.

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Funding Organization	Location	Grant Number
Not funded		--

Revision History  

• Version 1.0: 2022-05-18
  Type: Initial release
  
• Version 1.1: 2023-06-14
  Changes: Other
• Version 1.2: 2024-10-16
  Changes: Data collection, Database references, Structure summary